World's Best Scientists 2026 revealed!
Robert A. Gastaldo

Robert A. Gastaldo

D-Index & Metrics

Earth Science

D-Index
43
Citations
6409
World Ranking
5029
National Ranking
1888

Robert A. Gastaldo publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Robert A. Gastaldo sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 182 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Robert A. Gastaldo D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Robert A. Gastaldo sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 43 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Overview

Robert A. Gastaldo is affiliated with Colby College in the United States. Their research primarily focuses on the field of Earth and Planetary Sciences, with a significant number of publications specifically addressing Paleontology. Subfields of their work include Paleontology, Atmospheric Science, Earth-Surface Processes, Ecology, Evolution, Behavior and Systematics, and Geophysics.

Gastaldo's work covers a range of topics related to the paleontology and stratigraphy of fossils, geology and paleoclimatology research, geological formations and processes, plant diversity and evolution, paleontology and evolutionary biology, geological and geochemical analysis, and studies on evolution and paleontology.

The scientist has published numerous papers across multiple peer-reviewed journals. Notable recent publications include:

  • The base of the Lystrosaurus Assemblage Zone, Karoo Basin, predates the end-Permian marine extinction (2020) in Nature Communications
  • Paleoenvironmental and paleoclimatic evolution and cyclo- and chrono-stratigraphy of upper Permian-Lower Triassic fluvial-lacustrine deposits in Bogda Mountains, NW China - Implications for diachronous plant evolution across the Permian-Triassic boundary (2021) in Earth-Science Reviews
  • Silurian wildfire proxies and atmospheric oxygen (2022) in Geology
  • A tale of two Tweefonteins: What physical correlation, geochronology, magnetic polarity stratigraphy, and palynology reveal about the end-Permian terrestrial extinction paradigm in South Africa (2021) in Geological Society of America Bulletin
  • Calcic Vertisols in the upper Daptocephalus Assemblage Zone, Balfour Formation, Karoo Basin, South Africa: Implications for Late Permian Climate (2020) in Journal of Sedimentary Research

Frequent coauthors in Gastaldo's work include Johann Neveling, Ian J. Glasspool, William A. DiMichele, Sandra L. Kamo, and J. W. Geissman. These collaborations span multiple projects and contribute to a comprehensive interdisciplinary approach to geological and paleontological studies.

Gastaldo's research has been published in various scientific venues, with several journals appearing repeatedly in their publication record. These include Geology, Journal of Sedimentary Research, Journal of Paleontology, Geological Society of America Bulletin, and Palaios.

In addition to journal articles, Gastaldo has contributed to book publications, including a title published by Springer International Publishing entitled Nature through Time (2020).

Best Publications

  • Taphonomy and paleobiology

    Anna K. Behrensmeyer;Susan M. Kidwell;Robert A. Gastaldo

  • Response Of Late Carboniferous And Early Permian Plant Communities To Climate Change

    William A DiMichele;Hermann W Pfefferkorn;Robert A Gastaldo

  • Evolution and importance of wetlands in earth history

    Stephen F. Greb;William A. DiMichele;Robert A. Gastaldo

  • Out of the Icehouse into the Greenhouse: A Late Paleozoic Analogue for Modern Global Vegetational Change

    Robert A. Gastaldo;William A. DiMichele;H. W. Pfefferkorn

  • Portrait of a Gondwanan ecosystem: A new late Permian fossil locality from KwaZulu-Natal, South Africa

    Rose Prevec;Conrad C. Labandeira;Conrad C. Labandeira;Johann Neveling;Robert A. Gastaldo

  • Confirmation of Carboniferous clastic swamp communities

    Robert A. Gastaldo

  • Taphonomic Trends of Macrofloral Assemblages Across the Permian–Triassic Boundary, Karoo Basin, South Africa

    Robert A. Gastaldo;Rose Adendorff;Marion Bamford;Conrad C. Labandeira

  • Is the vertebrate-defined Permian-Triassic boundary in the Karoo Basin, South Africa, the terrestrial expression of the end-Permian marine event?

    Robert A. Gastaldo;Sandra L. Kamo;Johann Neveling;John W. Geissman

  • Taphonomic and sedimentologic characterization of roof-shale floras

    Robert A. Gastaldo;Hermann W. Pfefferkorn;William A. DiMichele

  • Sediment facies, depositional environments, and distribution of phytoclasts in the Recent Mahakam River delta, Kalimantan, Indonesia

    Robert A. Gastaldo;Alain-Yves Huc

  • Implications on the paleoecology of autochthonous lycopods in clastic sedimentary environments of the Early Pennsylvanian of Alabama

    Robert A. Gastaldo

  • Are the most durable shelly taxa also the most common in the marine fossil record

    Anna K. Behrensmeyer;Franz T. Fürsich;Robert A. Gastaldo;Susan M. Kidwell

  • The Relationship Between Continental Landscape Evolution and the Plant-Fossil Record: Long Term Hydrologic Controls on Preservation

    Robert A. Gastaldo;Timothy M. Demko;Timothy M. Demko

  • Origin, characteristics, and provenance of plant macrodetritus in a Holocene crevasse splay, Mobile Delta, Alabama

    Robert A. Gastaldo;Donald P. Douglass;Steven M. McCarroll

  • Regenerative growth in fossil horsetails following burial by alluvium

    Robert A. Gastaldo

  • Seasonal sediment transport and deposition in the Rajang River delta, Sarawak, East Malaysia

    J.R. Staub;H.L. Among;R.A. Gastaldo

  • The Base of the Lystrosaurus Assemblage Zone, Karoo Basin, Predates the end-Permian Marine Extinction

    Robert A. Gastaldo;Sandra L. Kamo;Johann Neveling;John W. Geissman

  • Application of sequence and genetic stratigraphic concepts to Carboniferous coal-bearing strata: an example from the Black Warrior basin, USA

    Robert A. Gastaldo;Timothy M. Demko;Yuejin Liu

  • Criteria to distinguish parautochthonous leaves in tertiary alluvial channel-fills

    Robert A. Gastaldo;David K. Ferguson;Harald Walther;Joachim M. Rabold

  • PLANT PALEOECOLOGY IN DEEP TIME

    William A. DiMichele;Robert A. Gastaldo

  • NO MAJOR STRATIGRAPHIC GAP EXISTS NEAR THE MIDDLE-UPPER PENNSYLVANIAN (DESMOINESIAN-MISSOURIAN) BOUNDARY IN NORTH AMERICA

    Howard J. Falcon-Lang;Philip H. Heckel;William A. Dimichele;Bascombe M. Blake

Frequent Co-Authors

John W. Geissman
John W. Geissman The University of Texas at Dallas
William A. DiMichele
William A. DiMichele Smithsonian Institution
Anna K. Behrensmeyer
Anna K. Behrensmeyer National Museum of Natural History
Cindy V. Looy
Cindy V. Looy University of California, Berkeley
Marion K. Bamford
Marion K. Bamford University of the Witwatersrand
Sandra L. Kamo
Sandra L. Kamo University of Toronto
Mary L. Droser
Mary L. Droser University of California, Riverside
Carlton E. Brett
Carlton E. Brett University of Cincinnati
Cortland F. Eble
Cortland F. Eble University of Kentucky
Richard B. Aronson
Richard B. Aronson Florida Institute of Technology

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